observe: 关停时补记残留丢弃计数(终审 minor:账不丢在关停期)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-06 12:53:34 +08:00
parent 8938b951fb
commit 1f97b19d21
1 changed files with 3 additions and 0 deletions
@@ -104,6 +104,9 @@ async def stop_observe_worker(task: asyncio.Task | None) -> None:
    task.cancel()
    with contextlib.suppress(asyncio.CancelledError):
        await task
+    dropped = take_dropped()  # 收口:补记最后一个 flush 窗口累计的丢弃数,不让账丢在关停期
+    if dropped:
+        logger.warning("observe dropped %d events (queue full) before shutdown", dropped)
    if _client is not None:
        # worker 已停,安全 drain 剩余并 best-effort 发最后一批(短超时,不卡关停);
        # 超过一批(BATCH_MAX)的剩余直接丢,不做多轮 flush(best-effort,关停从速)。